Yes a USA permit is valid in CH.
Link: http://www.internationaltransportfor...parking.html#S SWITZERLAND
On public roads and in car parks, parking places reserved for disabled people are indicated by the wheelchair symbol. For parking in other places (including long term), the parking badge must be displayed with a parking permit.
Parking on Roads
- You can park for up to 2 hours in streets in which parking is strictly prohibited (indicated by signs);
- You can park for up to 6 hours in authorised parking places in streets in which parking is free but time limited;
- You can park for over 6 hours in streets in which parking is controlled par meters or pay and display. The decision on whether such parking is free is taken locally. You need to check;
- You can park for up to two hours in meeting/pick up areas and in pedestrian areas to which access is permitted.
Parking in Car Parks
National parking concessions do not apply in private car parks. You need to check locally on reserved places and charges.
The badge is similar to that prescribed by the European Union. Switzerland has implemented ECMT Resolution 97/4. Contact
Case Postale 3003